6724427 has 4 divisors (see below), whose sum is σ = 6941376. Its totient is φ = 6507480.

The previous prime is 6724387. The next prime is 6724439. The reversal of 6724427 is 7244276.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6724427 - 2¹⁰ = 6723403 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6724393 and 6724402.

It is not an unprimeable number, because it can be changed into a prime (6724477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108428 + ... + 108489.

It is an arithmetic number, because the mean of its divisors is an integer number (1735344).

Almost surely, 2^6724427 is an apocalyptic number.

6724427 is a deficient number, since it is larger than the sum of its proper divisors (216949).

6724427 is a wasteful number, since it uses less digits than its factorization.

6724427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216948.

The product of its digits is 18816, while the sum is 32.

The square root of 6724427 is about 2593.1500149432. The cubic root of 6724427 is about 188.7491890672.

The spelling of 6724427 in words is "six million, seven hundred twenty-four thousand, four hundred twenty-seven".